Cita APA (7th ed.)

Gardner, R. A. (1978). The boys and girls book about one-parent families. G. P. Putnam.

Cita Chicago (17th ed.)

Gardner, Richard A. The Boys and Girls Book About One-parent Families. Nueva York: G. P. Putnam, 1978.

Cita MLA (9th ed.)

Gardner, Richard A. The Boys and Girls Book About One-parent Families. G. P. Putnam, 1978.